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1 /* pcf.h |
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2 |
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3 FreeType font driver for pcf fonts |
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4 |
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5 Copyright (C) 2000, 2001, 2002, 2003, 2006, 2010 by |
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6 Francesco Zappa Nardelli |
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7 |
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8 Permission is hereby granted, free of charge, to any person obtaining a copy |
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9 of this software and associated documentation files (the "Software"), to deal |
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10 in the Software without restriction, including without limitation the rights |
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11 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
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12 copies of the Software, and to permit persons to whom the Software is |
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13 furnished to do so, subject to the following conditions: |
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14 |
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15 The above copyright notice and this permission notice shall be included in |
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16 all copies or substantial portions of the Software. |
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17 |
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18 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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19 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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20 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
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21 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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22 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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23 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
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24 THE SOFTWARE. |
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25 */ |
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26 |
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27 |
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28 #ifndef __PCF_H__ |
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29 #define __PCF_H__ |
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30 |
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31 |
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32 #include <ft2build.h> |
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33 #include FT_INTERNAL_DRIVER_H |
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34 #include FT_INTERNAL_STREAM_H |
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35 |
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36 |
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37 FT_BEGIN_HEADER |
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38 |
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39 typedef struct PCF_TableRec_ |
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40 { |
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41 FT_ULong type; |
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42 FT_ULong format; |
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43 FT_ULong size; |
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44 FT_ULong offset; |
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45 |
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46 } PCF_TableRec, *PCF_Table; |
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47 |
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48 |
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49 typedef struct PCF_TocRec_ |
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50 { |
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51 FT_ULong version; |
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52 FT_ULong count; |
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53 PCF_Table tables; |
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54 |
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55 } PCF_TocRec, *PCF_Toc; |
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56 |
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57 |
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58 typedef struct PCF_ParsePropertyRec_ |
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59 { |
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60 FT_Long name; |
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61 FT_Byte isString; |
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62 FT_Long value; |
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63 |
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64 } PCF_ParsePropertyRec, *PCF_ParseProperty; |
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65 |
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66 |
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67 typedef struct PCF_PropertyRec_ |
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68 { |
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69 FT_String* name; |
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70 FT_Byte isString; |
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71 |
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72 union |
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73 { |
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74 FT_String* atom; |
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75 FT_Long l; |
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76 FT_ULong ul; |
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77 |
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78 } value; |
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79 |
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80 } PCF_PropertyRec, *PCF_Property; |
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81 |
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82 |
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83 typedef struct PCF_Compressed_MetricRec_ |
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84 { |
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85 FT_Byte leftSideBearing; |
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86 FT_Byte rightSideBearing; |
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87 FT_Byte characterWidth; |
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88 FT_Byte ascent; |
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89 FT_Byte descent; |
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90 |
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91 } PCF_Compressed_MetricRec, *PCF_Compressed_Metric; |
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92 |
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93 |
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94 typedef struct PCF_MetricRec_ |
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95 { |
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96 FT_Short leftSideBearing; |
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97 FT_Short rightSideBearing; |
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98 FT_Short characterWidth; |
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99 FT_Short ascent; |
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100 FT_Short descent; |
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101 FT_Short attributes; |
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102 FT_ULong bits; |
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103 |
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104 } PCF_MetricRec, *PCF_Metric; |
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105 |
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106 |
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107 typedef struct PCF_AccelRec_ |
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108 { |
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109 FT_Byte noOverlap; |
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110 FT_Byte constantMetrics; |
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111 FT_Byte terminalFont; |
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112 FT_Byte constantWidth; |
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113 FT_Byte inkInside; |
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114 FT_Byte inkMetrics; |
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115 FT_Byte drawDirection; |
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116 FT_Long fontAscent; |
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117 FT_Long fontDescent; |
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118 FT_Long maxOverlap; |
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119 PCF_MetricRec minbounds; |
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120 PCF_MetricRec maxbounds; |
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121 PCF_MetricRec ink_minbounds; |
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122 PCF_MetricRec ink_maxbounds; |
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123 |
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124 } PCF_AccelRec, *PCF_Accel; |
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125 |
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126 |
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127 typedef struct PCF_EncodingRec_ |
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128 { |
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129 FT_Long enc; |
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130 FT_UShort glyph; |
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131 |
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132 } PCF_EncodingRec, *PCF_Encoding; |
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133 |
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134 |
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135 typedef struct PCF_FaceRec_ |
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136 { |
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137 FT_FaceRec root; |
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138 |
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139 FT_StreamRec comp_stream; |
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140 FT_Stream comp_source; |
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141 |
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142 char* charset_encoding; |
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143 char* charset_registry; |
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144 |
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145 PCF_TocRec toc; |
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146 PCF_AccelRec accel; |
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147 |
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148 int nprops; |
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149 PCF_Property properties; |
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150 |
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151 FT_Long nmetrics; |
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152 PCF_Metric metrics; |
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153 FT_Long nencodings; |
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154 PCF_Encoding encodings; |
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155 |
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156 FT_Short defaultChar; |
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157 |
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158 FT_ULong bitmapsFormat; |
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159 |
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160 FT_CharMap charmap_handle; |
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161 FT_CharMapRec charmap; /* a single charmap per face */ |
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162 |
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163 } PCF_FaceRec, *PCF_Face; |
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164 |
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165 |
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166 /* macros for pcf font format */ |
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167 |
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168 #define LSBFirst 0 |
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169 #define MSBFirst 1 |
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170 |
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171 #define PCF_FILE_VERSION ( ( 'p' << 24 ) | \ |
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172 ( 'c' << 16 ) | \ |
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173 ( 'f' << 8 ) | 1 ) |
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174 #define PCF_FORMAT_MASK 0xFFFFFF00UL |
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175 |
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176 #define PCF_DEFAULT_FORMAT 0x00000000UL |
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177 #define PCF_INKBOUNDS 0x00000200UL |
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178 #define PCF_ACCEL_W_INKBOUNDS 0x00000100UL |
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179 #define PCF_COMPRESSED_METRICS 0x00000100UL |
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180 |
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181 #define PCF_FORMAT_MATCH( a, b ) \ |
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182 ( ( (a) & PCF_FORMAT_MASK ) == ( (b) & PCF_FORMAT_MASK ) ) |
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183 |
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184 #define PCF_GLYPH_PAD_MASK ( 3 << 0 ) |
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185 #define PCF_BYTE_MASK ( 1 << 2 ) |
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186 #define PCF_BIT_MASK ( 1 << 3 ) |
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187 #define PCF_SCAN_UNIT_MASK ( 3 << 4 ) |
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188 |
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189 #define PCF_BYTE_ORDER( f ) \ |
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190 ( ( (f) & PCF_BYTE_MASK ) ? MSBFirst : LSBFirst ) |
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191 #define PCF_BIT_ORDER( f ) \ |
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192 ( ( (f) & PCF_BIT_MASK ) ? MSBFirst : LSBFirst ) |
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193 #define PCF_GLYPH_PAD_INDEX( f ) \ |
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194 ( (f) & PCF_GLYPH_PAD_MASK ) |
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195 #define PCF_GLYPH_PAD( f ) \ |
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196 ( 1 << PCF_GLYPH_PAD_INDEX( f ) ) |
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197 #define PCF_SCAN_UNIT_INDEX( f ) \ |
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198 ( ( (f) & PCF_SCAN_UNIT_MASK ) >> 4 ) |
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199 #define PCF_SCAN_UNIT( f ) \ |
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200 ( 1 << PCF_SCAN_UNIT_INDEX( f ) ) |
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201 #define PCF_FORMAT_BITS( f ) \ |
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202 ( (f) & ( PCF_GLYPH_PAD_MASK | \ |
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203 PCF_BYTE_MASK | \ |
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204 PCF_BIT_MASK | \ |
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205 PCF_SCAN_UNIT_MASK ) ) |
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206 |
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207 #define PCF_SIZE_TO_INDEX( s ) ( (s) == 4 ? 2 : (s) == 2 ? 1 : 0 ) |
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208 #define PCF_INDEX_TO_SIZE( b ) ( 1 << b ) |
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209 |
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210 #define PCF_FORMAT( bit, byte, glyph, scan ) \ |
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211 ( ( PCF_SIZE_TO_INDEX( scan ) << 4 ) | \ |
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212 ( ( (bit) == MSBFirst ? 1 : 0 ) << 3 ) | \ |
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213 ( ( (byte) == MSBFirst ? 1 : 0 ) << 2 ) | \ |
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214 ( PCF_SIZE_TO_INDEX( glyph ) << 0 ) ) |
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215 |
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216 #define PCF_PROPERTIES ( 1 << 0 ) |
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217 #define PCF_ACCELERATORS ( 1 << 1 ) |
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218 #define PCF_METRICS ( 1 << 2 ) |
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219 #define PCF_BITMAPS ( 1 << 3 ) |
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220 #define PCF_INK_METRICS ( 1 << 4 ) |
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221 #define PCF_BDF_ENCODINGS ( 1 << 5 ) |
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222 #define PCF_SWIDTHS ( 1 << 6 ) |
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223 #define PCF_GLYPH_NAMES ( 1 << 7 ) |
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224 #define PCF_BDF_ACCELERATORS ( 1 << 8 ) |
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225 |
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226 #define GLYPHPADOPTIONS 4 /* I'm not sure about this */ |
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227 |
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228 FT_LOCAL( FT_Error ) |
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229 pcf_load_font( FT_Stream, |
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230 PCF_Face ); |
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231 |
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232 FT_END_HEADER |
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233 |
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234 #endif /* __PCF_H__ */ |
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235 |
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236 |
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237 /* END */ |